题解

已AC

#include<bits/stdc++.h>
using namespace std;
istream& in=cin;
ostream& out=cout;
int main(){
    int t;
    in>>t;
    while(t--){
        int n,k;
        in>>n>>k;
        int a[n],b[n];
        for(int i=1;i<=n;i++){
            in>>a[i];
        }
        for(int i=1;i<=n;i++){
            in>>b[i];
        }
        for(int i=1;i<=n;i++){
            int mx=0;
            int mx1=-1;
            for(int j=1;j<=n;j++){
                if(k>=a[j]&&b[j]>mx){
                    mx=b[j];
                    mx1=j;
                }
            }
            if(mx>0) k+=mx;
            b[mx1]=0;
        }
        out<<k<<endl;
    }
    return 0;
}